Anatomy - Cranial nerves

Question 1

which nervous system are the cranial nerves part of

a.central
b.peripheral

Answer 1

b.peripheral

Question 2

what are the 5 possible functions of a cranial nerve

Answer 2

sensory fibres transmitting general sensation
sensory fibres transmitting organ sensation
sensory fibres transmitting unique sensations eg taste and smell

motor fibres to striated muscle
motor fibres if glands and smooth muscle

Question 3

what is cn 1

Answer 3

olfactory

Question 4

what is cn II

Answer 4

optic

Question 5

what is cn III

Answer 5

occulomotor

Question 6

what is cn IV

Answer 6

trochlear

Question 7

what is cn V

Answer 7

trigeminal

Question 8

what is cn VI

Answer 8

abducent

Question 9

what is cn VII

Answer 9

facial

Question 10

what is cnVIII

Answer 10

vestibulocochlear

Question 11

what is cn IX

Answer 11

glossopharangeal

Question 12

what is cn X

Answer 12

vagus

Question 13

what is cn XI

Answer 13

accessory

Question 14

what is CN XII

Answer 14

hypoglossal

Question 15

where are the cranial nerve nuclei of CNI located

a.olfactory epithelium of nasal cavity
b.retina
c.brainstem

Answer 15

a.olfactory epithelium of nasal cavity

Question 16

where are the cranial nerve nuclei of CNII located

a.olfactory epithelium of nasal cavity
b.retina
c.brainstem

Answer 16

b.retina

Question 17

where are the cranial nerve nuclei of CNIIi-CNXII located

a.olfactory epithelium of nasal cavity
b.retina
c.brainstem
d.pons
c.midbrain

Answer 17

c.brainstem

Question 18

where does the trochlear nerve emerge

a.posterior aspect of the midbrain
b.anterior aspect of the midbrain
c.lateral aspect of the pons

Answer 18

a.posterior aspect of the midbrain

Question 19

where does the trigeminal nerve emerge

a.posterior aspect of the midbrain
b.anterior aspect of the midbrain
c.lateral aspect of the pons

Answer 19

c.lateral aspect of the pons

Question 20

where does the occulomotor nerve emerge

a.posterior aspect of the midbrain
b.anterior aspect of the midbrain
c.lateral aspect of the pons

Answer 20

b.anterior aspect of the midbrain

Question 21

where does the abducent nerve emerge

a.posterior aspect of the midbrain
b.anterior aspect of the midbrain
c.lateral aspect of the pons
d.ponto- medullary junction

Answer 21

d.ponto- medullary junction

Question 22

where does the facial nerve emerge

a.posterior aspect of the midbrain
b.anterior aspect of the midbrain
c.lateral aspect of the pons
d.ponto- medullary junction

Answer 22

d.ponto- medullary junction

Question 23

where does the vestibulocohlear nerve emerge

a.posterior aspect of the midbrain
b.anterior aspect of the midbrain
c.lateral aspect of the pons
d.ponto- medullary junction

Answer 23

d.ponto- medullary junction

Question 24

where does the glossopharangeal nerve emerge

a.posterior aspect of the midbrain
b.anterior aspect of the midbrain
c.lateral aspect of the pons
d.ponto- medullary junction
e.medulla oblongata

Answer 24

e.medulla oblongata

Question 25

where does the vagus nerve emerge a.posterior aspect of the midbrain b.anterior aspect of the midbrain c.lateral aspect of the pons d.ponto- medullary junction e.medulla oblongata

Answer 25

e.medulla oblongata

Question 26

where does the accessory nerve emerge a.posterior aspect of the midbrain b.anterior aspect of the midbrain c.lateral aspect of the pons d.ponto- medullary junction e.medulla oblongata f.upper region of spinal cord

Answer 26

f.upper region of spinal cord

Question 27

where does the hypoglossal nerve emerge a.posterior aspect of the midbrain b.anterior aspect of the midbrain c.lateral aspect of the pons d.ponto- medullary junction e.medulla oblongata f.upper region of spinal cord

Answer 27

e.medulla oblongata

Question 28

how does the optic nerve leave the orbit a.orbital canal b.optic canal c.retinal canal

Answer 28

b.optic canal

Question 29

where does the occulomotor nerve leave the skull a.foramen ovale b.foramen magnum c.superior orbital fissure d.inferior orbital fissure

Answer 29

c.superior orbital fissure

Question 30

how does the trochlear nerve enter the orbit a.foramen ovale b.foramen magnum c.superior orbital fissure d.inferior orbital fissure

Answer 30

c.superior orbital fissure

Question 31

through which opening foes the opthalmic branch of the trigeminal nerve leave the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale

Answer 31

a.superior orbital fissure

Question 32

through which opening does the maxillary branch of the trigeminal nerve leave the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale

Answer 32

b.foramen rotundum

Question 33

through which opening does the mandibular branch of the trigeminal nerve leave the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale

Answer 33

c,foramen ovale

Question 34

how does the abducent nerve leave the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale

Answer 34

a.superior orbital fissure

Question 35

what does the facial nerve exit the skull via a.superior orbital fissure b.foramen rotundum c,foramen ovale d.stylomastoid foramen

Answer 35

d.stylomastoid foramen

Question 36

how does the vestibulocohlear nerve enter the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale d.stylomastoid foramen e.internal acoustic meatus

Answer 36

e.internal acoustic meatus

Question 37

how does the glossopharangeal nerve leave the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale d.stylomastoid foramen e.internal acoustic meatus f.jugular foramen

Answer 37

f.jugular foramen

Question 38

how does the vagus nerve exit the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale d.stylomastoid foramen e.internal acoustic meatus f.jugular foramen

Answer 38

f.jugular foramen

Question 39

how does the accesory nerve leave the skull a.superior orbital fissure b.foramen rotundum c,foramen ovale d.stylomastoid foramen e.internal acoustic meatus f.jugular foramen

Answer 39

f.jugular foramen

Question 40

how does the hypoglossal nerve exit the skull